[Wintergreens of the Cascade Mountains of Oregon and Washington]

Slender Wintergreen, Oregon Wintergreen, Western Teaberry

Gaultheria ovatifolia

Berries and leaves of Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

The photo above shows a close-up of the fruits and leaves of slender wintergreen as seen at milepost 35 along Road 23 on the northwestern slopes of Mt. Adams. Note the toothed margins to the leaves and the minute hairs covering the surface of the fruits.

Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

Slender wintergreen as seen along the Butte Camp Trail #238A, Mount St. Helens National Volcanic Monument...........September 19, 2014.

Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

The photo above shows a close-up of the fruits and leaves of slender wintergreen as seen at milepost 35 along Road 23 on the northwestern slopes of Mt. Adams. Note the toothed margins to the leaves and the minute hairs covering the surface of the fruits.

Flower of Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

Note the hairy calyx of slender wintergreen, which is a way to identify this species from alpine wintergreen, which has a smooth calyx.

Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

The photo above shows slender wintergreen as seen on forest slopes above Cascade Creek below 3000' within the Mt. Adams Wilderness............June 2, 2007. The leafy stems measure about 10-15 cm long while the ovate leaves measure 2-4 cm long with toothed margins.

Berry and leaf of Slender Wintergreen, Oregon Wintergreen, Western Teaberry: Gaultheria ovatifolia

The photo above shows the leaf and berry of slender wintergreen as seen along Forest Road #23 on steep slopes about one-half mile north of the intersection with Forest Road #90 on the northwestern slopes of Mt. Adams..............August 6, 2005. The leaves are ovate in outline and measure 2-4 cm long and 1.5-3 cm wide.

Paul Slichter